62 
W. WHITAKER-HERTFORDSHIRE WELL-SECTION'S. 
St. Allans.— New House Farm, a little south of the above. In¬ 
formation from the occupier, to Mr. A. C. G. Cameron. 
Thickness. Depth. 
Sand and gravel . 10 10 
/ Chalk with flints . 120 130 
Chalk < Stone, from which the water is said to 
( come [Chalk Bock ?] . 5 135 
St. Margarets. — Hailey Hall, 1887. Made and communicated by 
Messrs. Legrand and Sutcliff. Water-level 67 feet down, in 
August, 1887. 
Thickness. Depth. 
Pj|j . Q 3 
[? Drift or i Clay . 7 16f 
Eocene] ( Sand and gravel . 28 44§ 
Chalk and flints ..... . 55 99f 
Sawbridgeworth. —Spillbrook Lane, 1889. Made and communi¬ 
cated by Mr. G. Ingold. Water at 23 feet. 
Thickness. Depth. 
1 1 
/ Brown clay . 10 11 
\ Gravel. 1 12 
! Yellow loam . 3 15 
Black sandy loam 8 23 
Brown clay . 11 34 
Dark brown clay 7 41 
A well at Allen’s Green, to the N.W., is 25 feet deep, in white 
and blue Boulder Clay (same authority). 
Made ground 
[Drift] 
[? London 
Clay] 
Shenley. —Porters. Communicated by Messrs. Legrand and 
Sutclife. Water-level 19£ feet down. 
Dug well (the rest bored) [London Clay and Beading Beds?] 200 ] 0 o 71 
Chalk and flints. 73£ ] Z61 * 
Shephall.— Shephall Bury, 1885. Made and communicated by 
Messrs. Tilley. 
[Drift] 
Chalk 
Thickness. Depth, 
f Old well — 80 
\ Sand . 4 84 
. 36 120 
Thorley (near Bishop Stortford).—Whitelands, 1888. Bored and 
communicated by Messrs. Legrand and Sutcliff. About 
285 feet above Ordnance Datum. Water-level 112 feet down. 
Thickness. Depth. 
Dug well [P Boulder Clay] . — 20 
! Boulder clay . 42 62 
Loamy clay and water 4 66 
Boulder clay . 3 69 
Ballast [gravel] . 10 79 
